公开(公告)号：WO2021203300A1

公开(公告)日：2021-10-14

申请号：PCT/CN2020/083773

申请日：2020-04-08

Applicant: APPLE INC. ,  YAO, Chunhai

Inventor： YE, Chunxuan ,  ZHANG, Dawei ,  XU, Fangli ,  HU, Haijing ,  SUN, Haitong ,  HE, Hong ,  CUI, Jie ,  OTERI, Oghenekome ,  ZENG, Wei ,  YANG, Weidong ,  TANG, Yang ,  KIM, Yuchul ,  CHEN, Yuqin ,  ZHANG, Yushu

IPC: H04L5/00

Abstract: Embodiments are presented herein of apparatuses, systems, and methods for a user equipment device (UE) to perform URLLC scheme selection. The UE may connect to at least one base station. The UE may determine scheduling of a physical downlink control channel (PDCCH) and a physical downlink shared channel (PDSCH) are within a threshold duration. Based on the PDCCH and the PDSCH being scheduled within the threshold duration, select one or more transmission control indicator (TCI) states for receiving the PDSCH irrespective of TCI state (s) indicated in the PDCCH. The UE may receive the PDSCH using the selected one or more TCI states.

公开(公告)号：WO2021203261A1

公开(公告)日：2021-10-14

申请号：PCT/CN2020/083640

申请日：2020-04-08

Applicant: APPLE INC. ,  ZHANG, Yushu

Inventor： YAO, Chunhai ,  YE, Chunxuan ,  ZHANG, Dawei ,  XU, Fangli ,  HU, Haijing ,  SUN, Haitong ,  HE, Hong ,  CUI, Jie ,  OTERI, Oghenekome ,  ZENG, Wei ,  YANG, Weidong ,  TANG, Yang ,  KIM, Yuchul ,  CHEN, Yuqin

IPC: H04L5/00 ,  H04W52/08

Abstract: Apparatuses, systems, and methods for overhead reduction for multi-carrier beam selection and power control. A user equipment device (UE) may receive an uplink beam configuration for a group of component carriers and may communicate using the uplink beam configuration for the group of component carriers. The UE may receive an updated uplink beam configuration for the group of component carriers. The update uplink beam configuration may include a medium access control (MAC) control element (CE) that may update a pathloss reference signal for the group of component carriers. The MAC CE may include an indication of a spatial relation for aperiodic or semi-persistent sounding reference signals for the group of component carriers, an indication of a transmission control indicator for a physical downlink control channel, an indication of an update for a physical uplink shared channel, and/or an indication of an update for a sounding reference signal.

公开(公告)号：WO2021159340A1

公开(公告)日：2021-08-19

申请号：PCT/CN2020/074936

申请日：2020-02-12

Applicant: APPLE INC. ,  ZHANG, Yushu

Inventor： YAO, Chunhai ,  YE, Chunxuan ,  ZHANG, Dawei ,  XU, Fangli ,  HU, Haijing ,  SUN, Haitong ,  HE, Hong ,  CUI, Jie ,  OTERI, Oghenekome ,  YANG, Weidong ,  ZENG, Wei ,  TANG, Yang ,  KIM, Yuchul ,  CHEN, Yuqin

IPC: H04W72/04

Abstract: The implementations disclosed provide apparatus, systems, and methods for downlink control information (DCI) enhancement for a reduced-complexity new radio (NR) wireless device. The wireless device includes one or more processors configured to transmit a type of the wireless device to a base station communicatively coupled to the wireless device. A format of the DCI is received from the base station. The DCI includes multiple bit strings indicating a schedule of a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH). The format specifies a respective number of bits for each bit string. The format is defined by the base station based on the type of the wireless device. The DCI is received from the base station using a physical downlink control channel (PDCCH). The multiple bit strings are extracted from the DCI based on the format of the DCI.

公开(公告)号：WO2021151244A1

公开(公告)日：2021-08-05

申请号：PCT/CN2020/074104

申请日：2020-01-31

Applicant: APPLE INC. ,  GUO, Shu

Inventor： YANG, Xiangying ,  XU, Fangli ,  CHEN, Yuqin ,  LIANG, Huarui ,  HU, Haijing ,  ZHANG, Dawei

IPC: H04W76/00 ,  H04W12/10

Abstract: Embodiments are presented herein of apparatuses, systems, and methods for a user equipment device (UE) and/or cellular network to resume a connection. To resume the connection, the UE may transmit a fully protected connection resume message, e.g., which may include protection for a resume cause field.

公开(公告)号：WO2021102790A1

公开(公告)日：2021-06-03

申请号：PCT/CN2019/121566

申请日：2019-11-28

Applicant: APPLE INC. ,  XU, Fangli

Inventor： WANG, Beibei ,  ZHAO, Pengkai ,  JI, Zhu ,  HU, Haijing ,  CHEN, Yuqin ,  CUI, Lele ,  ZONG, Ruirui ,  SUN, Haitong ,  ZENG, Wei ,  TANG, Jia ,  PU, Tianyan ,  SEBENI, Johnson O. ,  ZHANG, Dawei ,  ELANGOVAN, Thanigaivelu ,  YANG, Hailong ,  LIU, Xueting

IPC: H04W76/27 ,  H04W88/06

Abstract: A device, system and method for a user equipment (UE) to report a network resource and capability state to a network for coordinating network resource allocations. The UE is configured to establish a first connection to a first network based on a first subscriber identity module (SIM) of the UE and further configured to establish a second connection to a second network based on a second SIM of the UE. The method includes determining an upcoming first change of a state of the UE with respect to the first connection and transmitting, to the first network, an indication of the first change of state of the UE. The method further includes changing the state of the UE with respect to the first connection.

公开(公告)号：WO2021102784A1

公开(公告)日：2021-06-03

申请号：PCT/CN2019/121550

申请日：2019-11-28

Applicant: APPLE INC. ,  XU, Fangli

Inventor： ZHANG, Dawei ,  HU, Haijing ,  XING, Longda ,  SHIKARI, Murtaza A. ,  GURUMOORTHY, Sethuraman ,  KODALI, Sree Ram ,  NIMMALA, Srinivasan ,  LOVLEKAR, Srirang A. ,  CHEN, Yuqin

IPC: H04W48/12

Abstract: A remote user equipment (UE) configured to access a network via one of a direct link with a base station or a relay link with a relay UE performs a method including receiving link selection criteria, the link selection criteria configured by the network, identifying that the relay UE is available for camping, selecting the relay UE based on the link selection criteria, camping on the relay link corresponding to the relay UE and initiating a network access procedure via the relay link.

公开(公告)号：WO2021056509A1

公开(公告)日：2021-04-01

申请号：PCT/CN2019/108879

申请日：2019-09-29

Applicant: APPLE INC. ,  ZHANG, Yushu

Inventor： SUN, Haitong ,  ZHANG, Dawei ,  HU, Haijing ,  ZENG, Wei ,  HE, Hong ,  YAO, Chunhai ,  KIM, Yuchul ,  CHEN, Yuqin ,  XU, Fangli ,  SUN, Yakun

IPC: H04W72/04 ,  H04B7/0408 ,  H04L5/14

Abstract: To reduce the beam reporting latency, a base station may include a sounding reference signal (SRS) indication to a wireless communication device (UE) as part of the transmission configuration information (TCI) transmitted to the UE, allowing the UE to receive a corresponding downlink signal using the same beam (or with the same beam) the UE used to transmit (or with which the UE transmitted) the SRS indicated in the TCI. The SRS may be one of multiple SRSs previously transmitted by the UE. The UE may transmit the multiple SRSs periodically and/or according to semi-persistent scheduling, or it may transmit them aperiodically. Therefore, the UE does not need to report the beam quality, and the base station may perform the necessary beam measurement (s) instead. Various parameters and conditions may be defined for the UE to support SRS-based TCI.

公开(公告)号：WO2020041966A1

公开(公告)日：2020-03-05

申请号：PCT/CN2018/102652

申请日：2018-08-28

Applicant: APPLE INC. ,  CHEN, Yuqin

Inventor： CHEN, Yuqin ,  LOVLEKAR, Srirang A. ,  XING, Longda ,  NIMMALA, Srinivasan ,  ZHANG, Dawei ,  XU, Fangli ,  HU, Haijing ,  GURUMOORTHY, Sethuraman ,  SHIKARI, Murtaza A.

IPC: H04W36/00

Abstract: Techniques are disclosed relating to handover between cellular base stations. In some embodiments that use dual-connectivity handover, disclosed techniques may facilitate synchronization of a security configuration switch. In some embodiments, the base station and/or mobile device determine activation sequence numbers for the security configuration switch (e.g., by estimating when a path switch will occur). In some embodiments, the security configuration switch is implicitly detected based in deciphering failure. In some embodiments, the security configuration switch is explicitly signaled and is checked based on deciphering failure. In some embodiments that use make before break handover techniques, a source base station may be retained after the path switch.

公开(公告)号：WO2020029249A1

公开(公告)日：2020-02-13

申请号：PCT/CN2018/099958

申请日：2018-08-10

Applicant: APPLE INC. ,  XU, Fangli

Inventor： XU, Fangli ,  ZHANG, Dawei ,  BELGHOUL, Farouk ,  HU, Haijing ,  SUN, Haitong ,  PU, Tianyan ,  ZENG, Wei ,  ZHANG, Wei ,  KIM, Yuchul ,  CHEN, Yuqin ,  ALMALFOUH, Sami M.

IPC: H04W72/04

Abstract: This disclosure relates to using a wake up signal in conjunction with cellular communication in unlicensed spectrum. A cellular base station may provide a wake up signal on an unlicensed frequency channel after successful completion of a listen-before-talk procedure. The wake up signal may include a preamble configured for coherent detection, and information indicating channel occupancy time for a cellular communication by the cellular base station and a cell identifier for the cellular base station. A wireless device may monitor the unlicensed frequency channel for a wake up signal, and may determine whether to monitor the unlicensed frequency channel for control channel signaling based on whether a wake up signal is received, and potentially also based on the contents of the wake up signal if a wake up signal is received.

公开(公告)号：WO2020010515A1

公开(公告)日：2020-01-16

申请号：PCT/CN2018/095137

申请日：2018-07-10

Applicant: APPLE INC. ,  GUO, Shu

Inventor： GUO, Shu ,  YANG, Xiangying ,  ZHANG, Lijia ,  SUN, Qian ,  LIANG, Huarui ,  XU, Fangli ,  CHEN, Yuqin ,  HU, Haijing ,  ZHANG, Dawei

IPC: H04L29/06

Abstract: Techniques for identity-based message integrity protection and verification between a user equipment (UE) and a wireless network entity, include use of signatures derived from identity-based keys. To protect against attacks from rogue network entities before activation of a security context with a network entity, the UE verifies integrity of messages by checking a signature using an identity-based public key PK ID derived by the UE based on (i) an identity value (ID) of the network entity and (ii) a separate public key PK PKG of a private key generator (PKG) server. The network entity generates signatures for messages using an identity-based private key SK ID obtained from the PKG server, which generates the identity-based private key SK ID using (i) the ID value of the network entity and (ii) a private key SK PKG that is known only by the PKG server and corresponds to the public key PK PKG .